multiprocessing.get_all_start_methods() Returns a list of the supported start methods, the first of which is the default. The

run() Method representing the thread’s activity. You may override this method in a subclass

is_set() Return true if and only if the internal flag is true.

release() Release the underlying lock. This method calls the corresponding method on the underlying lock; there is no return

done() Return True if the call was successfully cancelled or finished running.

Semaphore([value]) Create a shared

class threading.Lock The class implementing primitive lock objects. Once a thread has acquired a lock, subsequent attempts to

pid Return the process ID. Before the process is spawned, this will be None.

exception multiprocessing.ProcessError The base class of all multiprocessing exceptions.

class queue.LifoQueue(maxsize=0) Constructor for a LIFO queue. maxsize is an integer that sets the upperbound limit